appc-adapters/appc-iaas-adapter/appc-iaas-adapter-bundle/src/main/java/org/openecomp/appc/adapter/iaas/provider/operation/impl/StopServer.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP : APPC
   4  * ================================================================================
   5  * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  * Copyright (C) 2017 Amdocs
   8  * =============================================================================
   9  * Licensed under the Apache License, Version 2.0 (the "License");
  10  * you may not use this file except in compliance with the License.
  11  * You may obtain a copy of the License at
  12  *
  13  *      http://www.apache.org/licenses/LICENSE-2.0
  14  *
  15  * Unless required by applicable law or agreed to in writing, software
  16  * distributed under the License is distributed on an "AS IS" BASIS,
  17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  18  * See the License for the specific language governing permissions and
  19  * limitations under the License.
  20  *
  21  * ECOMP is a trademark and service mark of AT&T Intellectual Property.
  22  * ============LICENSE_END=========================================================
  23  */
  24
  25 package org.openecomp.appc.adapter.iaas.provider.operation.impl;
  26
  27 import org.openecomp.appc.Constants;
  28 import org.openecomp.appc.adapter.iaas.ProviderAdapter;
  29 import org.openecomp.appc.adapter.iaas.impl.IdentityURL;
  30 import org.openecomp.appc.adapter.iaas.impl.RequestContext;
  31 import org.openecomp.appc.adapter.iaas.impl.RequestFailedException;
  32 import org.openecomp.appc.adapter.iaas.impl.VMURL;
  33 import org.openecomp.appc.adapter.iaas.provider.operation.common.enums.Outcome;
  34 import org.openecomp.appc.adapter.iaas.provider.operation.impl.base.ProviderServerOperation;
  35 import org.openecomp.appc.exceptions.APPCException;
  36 import org.openecomp.appc.i18n.Msg;
  37 import com.att.cdp.exceptions.ResourceNotFoundException;
  38 import com.att.cdp.zones.Context;
  39 import com.att.cdp.zones.model.ModelObject;
  40 import com.att.cdp.zones.model.Server;
  41 import com.att.eelf.configuration.EELFLogger;
  42 import com.att.eelf.configuration.EELFManager;
  43 import com.att.eelf.i18n.EELFResourceManager;
  44 import org.openecomp.sdnc.sli.SvcLogicContext;
  45 import org.glassfish.grizzly.http.util.HttpStatus;
  46
  47 import java.util.Map;
  48
  49 import static org.openecomp.appc.adapter.iaas.provider.operation.common.enums.Operation.STOP_SERVICE;
  50 import static org.openecomp.appc.adapter.utils.Constants.ADAPTER_NAME;
  51
  52
  53 public class StopServer extends ProviderServerOperation {
  54
  55     private static final EELFLogger logger = EELFManager.getInstance().getLogger(StopServer.class);
  56     private static EELFLogger metricsLogger = EELFManager.getInstance().getMetricsLogger();
  57
  58     /**
  59      * @see org.openecomp.appc.adapter.iaas.ProviderAdapter#stopServer(java.util.Map, org.openecomp.sdnc.sli.SvcLogicContext)
  60      */
  61     @SuppressWarnings("nls")
  62     public Server stopServer(Map<String, String> params, SvcLogicContext ctx) throws APPCException {
  63         Server server = null;
  64         RequestContext rc = new RequestContext(ctx);
  65         rc.isAlive();
  66
  67         String appName = configuration.getProperty(Constants.PROPERTY_APPLICATION_NAME);
  68
  69         try {
  70             validateParametersExist(params, ProviderAdapter.PROPERTY_INSTANCE_URL,
  71                     ProviderAdapter.PROPERTY_PROVIDER_NAME);
  72
  73             String vm_url = params.get(ProviderAdapter.PROPERTY_INSTANCE_URL);
  74             ctx.setAttribute("STOP_STATUS", "SUCCESS");
  75
  76             VMURL vm = VMURL.parseURL(vm_url);
  77             if (validateVM(rc, appName, vm_url, vm)) return null;
  78
  79             IdentityURL ident = IdentityURL.parseURL(params.get(ProviderAdapter.PROPERTY_IDENTITY_URL));
  80             String identStr = (ident == null) ? null : ident.toString();
  81
  82             Context context = null;
  83             ctx.setAttribute("STOP_STATUS", "ERROR");
  84             try {
  85                 context = getContext(rc, vm_url, identStr);
  86                 if (context != null) {
  87                     rc.reset();
  88                     server = lookupServer(rc, context, vm.getServerId());
  89                     logger.debug(Msg.SERVER_FOUND, vm_url, context.getTenantName(), server.getStatus().toString());
  90
  91                     String msg;
  92                     /*
  93                          * We determine what to do based on the current state of the server
  94                          */
  95
  96                         /*
  97                          * Pending is a bit of a special case. If we find the server is in a
  98                          * pending state, then the provider is in the process of changing state
  99                          * of the server. So, lets try to wait a little bit and see if the state
 100                          * settles down to one we can deal with. If not, then we have to fail
 101                          * the request.
 102                          */
 103
 104                     if (server.getStatus().equals(Server.Status.PENDING)) {
 105                         waitForStateChange(rc, server, Server.Status.READY, Server.Status.RUNNING, Server.Status.ERROR,
 106                                 Server.Status.SUSPENDED, Server.Status.PAUSED, Server.Status.DELETED);
 107                     }
 108
 109                     switch (server.getStatus()) {
 110                         case DELETED:
 111                             // Nothing to do, the server is gone
 112                             msg = EELFResourceManager.format(Msg.SERVER_DELETED, server.getName(), server.getId(),
 113                                     server.getTenantId(), "stopped");
 114                             generateEvent(rc, false, msg);
 115                             logger.error(msg);
 116                             metricsLogger.error(msg);
 117                             throw new RequestFailedException("Stop Server", msg, HttpStatus.METHOD_NOT_ALLOWED_405, server);
 118
 119                         case RUNNING:
 120                             // Attempt to stop the server
 121                             rc.reset();
 122                             stopServer(rc, server);
 123                             generateEvent(rc, true, Outcome.SUCCESS.toString());
 124                             break;
 125
 126                         case ERROR:
 127                             // Server is in error state
 128                             msg = EELFResourceManager.format(Msg.SERVER_ERROR_STATE, server.getName(), server.getId(),
 129                                     server.getTenantId(), "stop");
 130                             generateEvent(rc, false, msg);
 131                             logger.error(msg);
 132                             metricsLogger.error(msg);
 133                             throw new RequestFailedException("Stop Server", msg, HttpStatus.METHOD_NOT_ALLOWED_405, server);
 134
 135                         case READY:
 136                             // Nothing to do, the server was already stopped
 137                             logger.info("Server was already stopped");
 138                             break;
 139
 140                         case PAUSED:
 141                             // if paused, un-pause it and then stop it
 142                             rc.reset();
 143                             unpauseServer(rc, server);
 144                             rc.reset();
 145                             stopServer(rc, server);
 146                             generateEvent(rc, true, Outcome.SUCCESS.toString());
 147                             break;
 148
 149                         case SUSPENDED:
 150                             // Attempt to resume the suspended server and after that stop it
 151                             rc.reset();
 152                             resumeServer(rc, server);
 153                             rc.reset();
 154                             stopServer(rc, server);
 155                             generateEvent(rc, true, Outcome.SUCCESS.toString());
 156                             break;
 157
 158                         default:
 159                             // Hmmm, unknown status, should never occur
 160                             msg = EELFResourceManager.format(Msg.UNKNOWN_SERVER_STATE, server.getName(), server.getId(),
 161                                     server.getTenantId(), server.getStatus().name());
 162                             generateEvent(rc, false, msg);
 163                             logger.error(msg);
 164                             metricsLogger.error(msg);
 165                             throw new RequestFailedException("Stop Server", msg, HttpStatus.METHOD_NOT_ALLOWED_405, server);
 166                     }
 167                     context.close();
 168                     doSuccess(rc);
 169                     ctx.setAttribute("STOP_STATUS", "SUCCESS");
 170                     msg = EELFResourceManager.format(Msg.SUCCESS_EVENT_MESSAGE, "StopServer", vm_url);
 171                     ctx.setAttribute(org.openecomp.appc.Constants.ATTRIBUTE_SUCCESS_MESSAGE, msg);
 172
 173                 }else{
 174                     ctx.setAttribute("STOP_STATUS", "CONTEXT_NOT_FOUND");
 175                 }
 176             } catch (ResourceNotFoundException e) {
 177                 String msg = EELFResourceManager.format(Msg.SERVER_NOT_FOUND, e, vm_url);
 178                 logger.error(msg);
 179                 doFailure(rc, HttpStatus.NOT_FOUND_404, msg);
 180             } catch (Throwable t) {
 181                 String msg = EELFResourceManager.format(Msg.SERVER_OPERATION_EXCEPTION, t, t.getClass().getSimpleName(),
 182                         STOP_SERVICE.toString(), vm_url, context == null ? "Unknown" : context.getTenantName());
 183                 logger.error(msg, t);
 184                 doFailure(rc, HttpStatus.INTERNAL_SERVER_ERROR_500, msg);
 185             }
 186         } catch (RequestFailedException e) {
 187             logger.error(EELFResourceManager.format(Msg.STOP_SERVER_FAILED, appName, "n/a", "n/a", e.getMessage()));
 188             doFailure(rc, e.getStatus(), e.getMessage());
 189         }
 190
 191         return server;
 192     }
 193
 194     @Override
 195     protected ModelObject executeProviderOperation(Map<String, String> params, SvcLogicContext context) throws APPCException {
 196
 197         setMDC(STOP_SERVICE.toString(), "App-C IaaS Adapter:Stop", ADAPTER_NAME);
 198         logOperation(Msg.STOPPING_SERVER, params, context);
 199         return stopServer(params, context);
 200     }
 201 }